transfer function in matlab editor

hi,

how to make a square signal which represents the Load multiplied by a transfer function. X*G the transfer function is: Num=[(0.0011) (1/2700)]; Denum=[1 0]; G=(Num Denum);

the Load is: x = [0 1 2 2 4 4 5 5 6 6 8] t = [0 0 0 5 5 15 15 0 0 10 10]